Category: custom

Custom Governor SPRINGS + 191 Valves with SNAP ON Socket 5.9L 94-98 Cummins 12V

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You are looking at a new. For your 94-98 12V 5.9 Cummins. (1) Custom 3K/4K GOVERNOR SPRINGS KIT. This kit will fit any 12V Cummins equipped with a P7100 injection pump. Heavier governor springs allow the engine to obtain higher rpm’s. With higher rpm’s and elevated boost pressure. Valve float becomes an. Issue so upgrading […]


Custom 3/4k Governor Spring 60lb VALVE SPRINGS 191s KIT 5.9 12V 94-98 Cummins

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You are looking at a complete. Performance upgrade kit for your 94-98 5.9 Cummins. Custom 3K/4K HP10029 GOVERNOR SPRINGS (Made in USA). (12) DCEC Cummins 60lb VALVE SPRINGS. (6) Valve Cover Gaskets. (6) Valve Cover Gasket O-rings. These springs provide around 165 #’s of seat pressure. (depending on installed height). This kit will fit any […]